CN115365606B - Multi-station welding all-in-one machine and welding method for boron heat tracing cable - Google Patents

Multi-station welding all-in-one machine and welding method for boron heat tracing cable Download PDF

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Publication number
CN115365606B
CN115365606B CN202110534036.8A CN202110534036A CN115365606B CN 115365606 B CN115365606 B CN 115365606B CN 202110534036 A CN202110534036 A CN 202110534036A CN 115365606 B CN115365606 B CN 115365606B
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China
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welding
workpiece
station
clamping
control button
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CN115365606A (en
Inventor
杜文奎
邵平
向先保
顾蔚泉
郑必成
张帅
黄伟
杨佩
王云钏
陈重权
陈丹
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CNNC Fujian Nuclear Power Co Ltd
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CNNC Fujian Nuclear Power Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/32—Accessories

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Wire Processing (AREA)

Abstract

The invention discloses a multi-station welding all-in-one machine and a method for a boron heat tracing cable, which are used for performing multi-process welding processing on the boron heat tracing cable and comprise a frame, wherein the frame is integrated with: a triaxial welding mechanism; a first welding station for welding the end cap, the outer end cap and the long end cap; a second welding station for welding the plug and the core wire; the heating station is used for heating and dehumidifying the insulating powder; the third welding station is used for butt welding of the cold and hot end core wires and welding of the butt joint sleeve; and the welding control system is used for driving and controlling the three-axis welding mechanism to enable the three-axis welding mechanism to act among the first welding station, the second welding station and the third welding station, and automatically welding workpieces clamped on the corresponding stations. According to the invention, a plurality of welding stations of the boron heat tracing cable are integrated on one device, and automatic welding is realized by utilizing a three-axis welding mechanism, so that the degree of automation and the production efficiency are greatly improved, and the occupied space is reduced.

Description

Multi-station welding all-in-one machine and welding method for boron heat tracing cable
Technical Field
The invention relates to the technical field of machining equipment and machining of boron heat tracing cables, in particular to a multi-station welding all-in-one machine and a welding method of a boron heat tracing cable.
Background
In the prior art, the welding procedures are usually realized in a manual and multi-station welding mode, and then the welding procedure is carried out to the next station for continuous welding, and the later-stage service performance of the boron heat tracing cable is directly determined by the welding quality of each procedure, so that the manual welding speed is very slow, sometimes the one-time welding effect of a certain procedure is poor, repeated repair welding is carried out for many times, and the production efficiency is very low; meanwhile, a plurality of welding stations are required to be paved, so that the whole space occupies a larger area; in addition, because the welding is performed by the worker purely manually, the welding effect directly depends on the technological skills of operators, and the difference of the technological process capability can lead to the difference of product quality, so that the quality stability of the product is poor.
Disclosure of Invention
The invention aims at: the utility model provides a multistation welding all-in-one of boron heat tracing cable, a plurality of welding stations with boron heat tracing cable integrate on an equipment to utilize triaxial welding mechanism to realize automated welding, improve degree of automation and production efficiency greatly, reduce occupation of land space:
the technical scheme of the invention is as follows: the utility model provides a multistation welding all-in-one of boron heat tracing cable, includes frame and last frame down, installs in frame and the last frame down: the device comprises a triaxial welding mechanism, a first welding station, a second welding station, a third welding station and a heating station; the upper frame covers the upper part of the lower frame.
The inner part of the upper frame is divided into a first accommodating space and a second accommodating space through a partition plate, a three-axis welding mechanism, a first welding station, a second welding station and a third welding station are arranged in the first accommodating space, the three-axis welding mechanism is arranged at the central position of the first accommodating space, and the first welding station, the second welding station and the third welding station are circumferentially arranged around the three-axis welding mechanism; the heating station is arranged in the second accommodating space.
The triaxial welding mechanism comprises a welding gun and a triaxial motion driving mechanism, and the triaxial motion driving mechanism comprises: an X-direction guide rail arranged along an X-axis direction, a Y-direction guide rail arranged along a Y-axis direction, and a Z-direction guide rail arranged along a Z-axis direction; the welding gun is movably arranged on the triaxial movement driving mechanism.
The first welding station comprises a first workpiece clamping mechanism, a coat tail cone mechanism, a control button box and a control button box; the first workpiece clamping mechanism comprises a first placing disc, a first clamping groove, a clamping cylinder and a first rotating motor, wherein the first rotating motor is used for driving the first clamping groove to rotate around the axis direction of the first clamping groove; the angle adjusting support plate is used for adjusting the installation angle of the first clamping groove, and an angle adjusting chute with the radian of 45 degrees is arranged on the angle adjusting support plate; the first clamping groove is hinged on the angle adjusting support plate and is clamped in the angle adjusting chute;
the coat coccyx mechanism comprises: the tail cone is movably arranged on a tail cone mounting plate through a bearing, the tail cone mounting plate is in transmission connection with a first cylinder, and the tail cone is driven to act towards a first workpiece clamping mechanism through the first cylinder to press a workpiece.
The second welding station comprises a clamp, an electric welding clamp mechanism and a third control button box; the electric welding clamp mechanism includes: the two support legs of the clamp are respectively connected with a second cylinder through a support plate in a transmission way, and the third control button box is used for driving control of an electric welding clamp mechanism and driving control of a welding gun to a second welding station;
the clamp comprises a trough, a profiling die, a pressing block and a third cylinder, wherein the profiling die is provided with a stub bar clamping groove for accommodating a stub bar; after the workpiece is placed in the trough, the pressing block is driven by the third cylinder to press and fix the stub bar of the workpiece in the stub bar clamping groove of the profiling.
The third welding station comprises a second workpiece clamping mechanism which is used for clamping the heating section of the workpiece; the third workpiece clamping mechanism is used for clamping the non-heating section of the workpiece; the butt joint sleeve limiting mechanism is arranged between the second workpiece clamping mechanism and the third workpiece clamping mechanism and is used for butt joint of the core wires extending from the heating section and the non-heating section and supporting the butt joint sleeve;
the second workpiece clamping mechanism includes: a second placement tray for containing a coiled material of boron heat tracing cable semi-finished product; the second clamping groove is used for a heating section of the workpiece; a clamping cylinder for fixing the stub bar of the heating section; a second rotating electric machine for driving the second clamping groove to rotate about an axis direction thereof; the third workpiece clamping mechanism is used for clamping a non-heating section of a workpiece, is arranged on the lower frame through a linear guide rail and is in transmission connection with the fourth cylinder.
The butt joint sleeve limiting mechanism comprises: the support plate is provided with two core wire clamping grooves, a heating section of the workpiece is clamped in the second workpiece clamping mechanism, and a non-heating section of the workpiece is clamped in the third workpiece clamping mechanism.
In the third welding station, a fourth control button box is used for driving and controlling the second workpiece clamping mechanism and the third workpiece clamping mechanism, and a fifth control button box is used for driving and controlling the butt joint sleeve limiting mechanism and the welding gun to the third welding station.
The heating station includes: the device comprises a clamp, an electric heating device, a sixth control button box and a seventh control button box.
The first accommodation space and the second accommodation space are respectively provided with a movable door body.
A multi-station welding method of a boron heat tracing cable comprises the following steps:
s1: after the end cover is sleeved on the heating section of the workpiece, the end cover is clamped at a first welding station, the position of a first clamping groove is adjusted to be at an upper limit position, the workpiece is clamped and turned on by controlling a first workpiece clamping mechanism, and the end cover is welded by controlling a welding gun to move to the first welding station;
s2: clamping the workpiece welded with the end cover at a second welding station, and controlling the box through a third button
Controlling a second cylinder to clamp the workpiece, enabling the welding gun to move to a second welding station, and welding core wires of the heating section;
s3: after the outer end sleeve is sleeved on the periphery of the end cover sleeve, the workpiece is clamped at a first welding station, the position of a first clamping groove is adjusted to be at a lower limit position, a first workpiece clamping mechanism is controlled by a first control button box to clamp the workpiece and start rotating, the top of a tail cone mechanism of the outer sleeve is controlled by a second control button box to press the end face of the outer end sleeve, a welding gun is enabled to move to the first welding station, and the outer end sleeve is welded;
s4: after the outer end sleeve is filled with insulating powder, clamping a workpiece at a heating station E, controlling a clamp to clamp the workpiece through a sixth control button box, and starting an electric heating device;
s5: clamping a workpiece at a second welding station, placing a plug at the end part of the outer end cover, controlling a second cylinder to clamp the workpiece through a third button control box, enabling a welding gun to move to the second welding station, and welding the plug;
s6: sleeving the long end of the heating section on the heating section of the workpiece, clamping the heating section on a first welding station, adjusting the position of a first clamping groove to enable the first clamping groove to be at an upper limit position, controlling a first workpiece clamping mechanism to clamp the workpiece through a first control button box, starting to rotate, controlling a welding gun to move to the first welding station through a second control button box, and welding the long end of the heating section;
s7: sleeving the long end sleeve of the non-heating section of the workpiece on the non-heating section, clamping the workpiece on a first welding station, adjusting the position of a first clamping groove to enable the first clamping groove to be at an upper limit position, controlling a first workpiece clamping mechanism to clamp the workpiece through a first control button box, starting to rotate, controlling a welding gun to move to the first welding station through a second control button box, and welding the non-heating section long end sleeve;
s8: manually installing a butt joint sleeve in a heating section of a workpiece;
s9: clamping the heating section of the workpiece on a third workpiece clamping mechanism; clamping the non-heating section of the workpiece on a second workpiece clamping mechanism, respectively butting core wires extending from the heating section and the non-heating section in a core wire clamping groove, controlling the non-heating section of the workpiece of the second clamping mechanism and the heating section of the workpiece clamped by a third workpiece clamping mechanism through a fourth control button box, controlling a welding gun to move to a third welding station through a fifth control button box, and butt welding the core wires of the cold end and the hot end;
s10: the fourth cylinder is controlled to act through the fifth control button box, the butt joint sleeve supporting plate is laid above the core wire clamping groove in a falling mode, then the butt joint sleeve is moved to the outer ring of the welded cold and hot end core wires and placed on the butt joint sleeve supporting plate, the second workpiece clamping mechanism and the third workpiece clamping mechanism are controlled to rotate through the fourth control button box, and the welding gun is driven to weld the butt joint sleeve through the fifth control button box.
In the step S1, the position of the first clamping groove is adjusted to be in an upper limit position, and an included angle of 45 degrees is formed between the first clamping groove and the horizontal plane.
In the step S2, the first workpiece clamping mechanism is controlled by the first control button box to clamp a workpiece and start rotating, and the welding gun is controlled by the second control button box to move to the first welding station.
In the step S4, the seventh control button box is used for controlling the clamp to clamp the workpiece and starting the electric heating device.
In the step S4, the insulating powder is heated and subjected to damp-eliminating treatment.
In the step S6, the position of the first clamping groove is adjusted to be in an upper limit position, and an included angle of 45 degrees is formed between the first clamping groove and the horizontal plane.
In the step S7, the position of the first clamping groove is adjusted to be in an upper limit position, and an included angle of 45 degrees is formed between the first clamping groove and the horizontal plane.
The invention has the remarkable effects that:
1. the automation degree of the welding processing of the boron heat tracing cable is greatly improved, the labor intensity of workers is reduced, and the production speed and the productivity are improved; 2. the layout of the workshop is optimized, the occupied space is reduced, and the overall cleanliness of the workshop is improved; 3. the welding precision and the quality stability are improved, and the investment cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of an embodiment of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of a three-axis welding mechanism according to an embodiment of the present invention
FIG. 5 is a schematic view of a first welding station in an embodiment of the invention;
FIG. 6 is a schematic illustration of the structure of a second welding station in an embodiment of the invention;
FIG. 7 is a schematic illustration of the construction of a third welding station in an embodiment of the present invention;
FIG. 8 is a schematic view of a heating station configuration D in an embodiment of the invention;
FIG. 9 is a schematic view of a stop mechanism for a docking collar in an embodiment of the present invention;
FIG. 10 is a schematic view of a heating station G in an embodiment of the invention;
in the figure: the welding machine comprises a lower frame 1, an upper frame 2, a movable door body 3, an X-direction guide rail 4, a Y-direction guide rail 5, a Z-direction guide rail 6, an X-direction moving cylinder 7, a Y-direction moving cylinder 8, a Z-direction moving cylinder 9, a welding gun 10, a first placing plate 11, a three-axis welding mechanism A, a first welding station B, a second welding station C, a third welding station D, a heating station E and a clamp G;
the workpiece P, the stub bar P1, the heating section P2, the non-heating section P3 and the butt joint sleeve P4;
the first workpiece clamping mechanism B1, the coat tail cone mechanism B2, the control button box F1, the control button box F2, the third control button box F3, the fourth control button box F4, the fifth control button box F5, the sixth control button box F6 and the seventh control button box F7;
the first placing plate 11, the first clamping groove 12, the first clamping cylinder 13, the first rotating motor 14, the angle adjusting support plate 15, the angle adjusting chute 16 and the first cylinder 17;
a caudal vertebra 18, a caudal vertebra mounting plate 19;
a clamp 21 and a second cylinder 22;
the trough 23, the profiling 24, the third cylinder 25 and the pressing block 26;
the second workpiece clamping mechanism D1, the third workpiece clamping mechanism D2 and the butt joint sleeve limiting mechanism D3;
a second placing plate 27, a second clamping groove 28, a second rotating motor 29, a third clamping cylinder 30, a linear guide 31 and a fourth cylinder 32;
the support plate 33, the core wire clamping groove 34, the butt joint sleeve support plate 35, the fourth air cylinder 36 and the fifth air cylinder 37;
a first electric heating device 38, a second electric heating device 39;
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention. The embodiment of the invention relates to an integrated welding device for performing multi-process welding processing on a boron heat tracing cable, which has the advantages of high integration level, high degree of automation, good processing precision, good quality stability and the like.
Referring to fig. 1-3, a multi-station welding integrated machine for a boron heat tracing cable according to an embodiment of the present invention includes: the lower frame 1 and the upper frame 2 are integrally arranged on the lower frame 1: the three-axis welding mechanism A, the first welding station B, the second welding station C, the third welding station D and the heating station E; the upper frame 2 is covered above the lower frame 1, the interior of the upper frame 2 is divided into a first accommodating space and a second accommodating space by a partition plate, the three-axis welding mechanism A, the first welding station B, the second welding station C and the third welding station D are arranged in the first accommodating space, the three-axis welding mechanism A is arranged at the central position of the first accommodating space, and the first welding station B, the second welding station C and the third welding station D are circumferentially arranged around the three-axis welding mechanism A; the heating station E is arranged in the second accommodating space; the first accommodation space and the second accommodation space are respectively provided with the movable door body 3, which is convenient to install and control.
Referring to fig. 4, a schematic structural diagram of the three-axis welding mechanism a includes a welding gun 10 and a three-axis motion driving mechanism; setting the direction of the X-axis guide rail 4 as the X axis, setting the direction of the Y-axis guide rail 5 as the Y axis, and setting the direction of the welding gun 10 as the Z axis welding gun 10 along the Z axis direction; the triaxial motion driving mechanism specifically comprises: an X-direction guide rail 4 arranged in the X-axis direction, a Y-direction guide rail 5 arranged in the Y-axis direction, and a Z-direction guide rail 6 arranged in the Z-axis direction; the welding gun 10 is movably mounted on the triaxial movement driving mechanism, has a degree of freedom of movement of X, Y, Z in three directions, and can move up and down in the Z-axis direction under the drive of the Z-direction movement cylinder 9, move back and forth in the Y-axis direction under the drive of the Y-direction movement cylinder 8, and move left and right in the X-axis direction under the drive of the X-direction movement cylinder 7.
Referring to fig. 5, a schematic structural diagram of the first welding station B is shown, which includes: the first workpiece clamping mechanism B1, the coat tail cone mechanism B2, the control button box F1 and the control button box F2; the first work clamping mechanism B1 specifically includes: a first laying tray 11 for containing a coil of boron heat tracing cable semi-finished product; a first clamping groove 12 for clamping a heating section or a non-heating section of a workpiece; a first clamping cylinder 13 for fixing a stub bar of a workpiece; a first rotating electric machine 14 for driving the first clamping groove 12 to rotate about the axis direction thereof; the angle adjusting support plate 15 is used for adjusting the installation angle of the first clamping groove 12, and an angle adjusting chute 16 with the radian of 45 degrees is arranged on the angle adjusting support plate 15; the first clamping groove 12 is hinged on the angle adjusting support plate 15 and is clamped in the angle adjusting chute 16, and the first clamping groove 12 can adjust the installation angle along the angle adjusting chute 16; when the first clamping groove 12 is at the lower limit position of the angle adjusting chute 16, the workpiece is arranged in the horizontal direction after being clamped, and after the first clamping cylinder 13 clamps the workpiece, the outer sleeve tail cone mechanism B2 is pressed against the end surface of the workpiece from the other side, so that the workpiece is fixed; when the first clamping groove 12 is at the upper limit position of the angle adjusting chute 16, the workpiece is clamped and then is inclined upwards to form an included angle of 45 degrees with the horizontal plane.
The coat coccyx mechanism B2 specifically includes: the tail cone 18 is used for propping and fixing the end face of the workpiece; the tail cone 18 is movably arranged on a tail cone mounting plate 19 through a bearing, the tail cone mounting plate 19 is in transmission connection with a first air cylinder 17, and the tail cone 18 is driven to move towards the first workpiece clamping mechanism B1 to press a workpiece through the first air cylinder 17.
A first control button box F1 for driving control of the first work clamping mechanism B1; the second control button box F2 is used for driving and controlling the tail cone sleeving mechanism B2 and driving and controlling the welding gun 10 to the first welding station B.
Referring to fig. 6, a schematic structural diagram of the second welding station C is shown, which includes: a clamp G, an electric welding clamp mechanism and a third control button box F3; after the workpiece P is placed into the clamp G, the electric welding clamp mechanism clamps and fixes the stub bar along the Z-axis direction; the electric welding clamp mechanism includes: the two support legs of the clamp 21 are respectively connected with the second air cylinder 22 through the support plate transmission, and the second air cylinder 22 drives the support legs to open and close so as to realize clamping and fixing of the stub bars. A third control button box F3 for driving control of the electric welding clamp mechanism and driving control of the welding gun 10 to the second welding station C.
Referring to fig. 7, a schematic structural diagram of the fixture G specifically includes: a trough 23 for accommodating a coil of boron heat tracing cable semi-finished product; a master 24 provided with a stub bar clamping groove for accommodating the stub bar P1; a briquette 26 and a third cylinder 25; after the workpiece is placed in the trough 23, the pressing block 26 is driven by the third air cylinder 25 to press and fix the stub bar P1 of the workpiece in the stub bar clamping groove of the profiling 24.
Referring to fig. 8, a schematic structural diagram of the third welding station D specifically includes: the second workpiece clamping mechanism D1 is used for clamping a heating section P2 of the workpiece; a third workpiece clamping mechanism D2 for clamping the non-heating section P3 of the workpiece; and the butt joint sleeve limiting mechanism D3 is arranged between the second workpiece clamping mechanism D1 and the third workpiece clamping mechanism D2 and is used for butt joint of the core wires extending from the heating section P2 and the non-heating section P3 and supporting the butt joint sleeve P4.
The second workpiece clamping mechanism D1 specifically includes: a second laying tray 27 for containing a coil of boron heat tracing cable semi-finished product; a second clamping groove 28 for a heat generating section P2 of the workpiece; a third clamping cylinder 30 for fixing the stub bar of the heating section P2; a second rotating electric machine 29 for driving the second sandwiching groove 28 to rotate about the axis direction thereof; the third workpiece clamping mechanism D2 is used for clamping a non-heating section P3 of the workpiece, has the same structural principle as the second workpiece clamping mechanism D1, and is coaxially arranged with the second trough 28. The third workpiece clamping mechanism D2 is arranged on the lower frame 1 through the linear guide rail 31 and is in transmission connection with the fourth air cylinder 32, and the third workpiece clamping mechanism D2 can be driven to move along the linear guide rail 31 through the fourth air cylinder 32, so that the relative distance between the third workpiece clamping mechanism D2 and the second workpiece clamping mechanism D1 is adjusted, and the installation and the welding position adjustment are convenient.
Referring to fig. 9, the docking station limiting mechanism D3 specifically includes: the supporting plate 33, the supporting plate 33 is provided with two core wire clamping grooves 34 (arranged according to the number of the core wires in the workpiece), the heating section P2 of the workpiece is clamped in the second workpiece clamping mechanism D1, the non-heating section P3 of the workpiece is clamped in the third workpiece clamping mechanism D2, the cold core wires and the hot core wires extending from the inner parts of the workpiece are respectively butted in the core wire clamping grooves 34, and the core wires are butt-welded through the welding gun 10. After the butt welding of the core wires of the cold end and the hot end is completed, the fourth air cylinder 36 drives the butt-joint sleeve supporting plate 35 to fall down so as to be paved above the core wire clamping groove 34, and after the butt-joint sleeve P4 is sleeved outside the core wires of the cold end and the hot end after the butt welding, the welding of the butt-joint sleeve P4 can be performed through the welding gun 10. The supporting plate 33 is connected with the fifth air cylinder 37 in a transmission way, and the upper and lower positions of the supporting plate 33 can be adjusted along the Z-axis direction through the fifth air cylinder 37, so that the welding machine is suitable for different position requirements of two welding procedures.
In the third welding station D, the fourth control button box F4 is used for driving and controlling the second workpiece clamping mechanism D1 and the third workpiece clamping mechanism D2, and the fifth control button box F5 is used for driving and controlling the butt joint sleeve limiting mechanism D3 and the welding gun 10 to the third welding station.
Referring to fig. 10, a schematic structural diagram of the heating station E specifically includes: a clamp G for clamping a workpiece; the electric heating device is used for heating and dehumidifying insulating material powder filled in the workpiece stub bar; in this embodiment, two sets of jigs G are arranged, and each set of jigs G is provided with an electric heating device in a matching manner. A sixth control button box F6 for driving control of the left clamp and start-stop control of the first electric heating device 38; a seventh control button box F7 for drive control of the right clamp and start-stop control of the second electric heating device 39. In other embodiments of the present invention, the number of clamps and electric heating devices in the heating station may be further expanded as needed to accommodate the actual use requirements.
A multi-station welding method of a boron heat tracing cable comprises the following steps:
the first process comprises the steps of sleeving an end cover on a heating section P2 of a workpiece P, clamping the end cover on a first welding station B, adjusting the position of a first clamping groove 12 to be at an upper limit position (forming an included angle of 45 degrees with a horizontal plane), controlling a first workpiece clamping mechanism B1 to clamp the workpiece P through a first control button box F1, starting to rotate, and controlling a welding gun 10 to move to the first welding station B through a second control button box F2 to weld the end cover;
clamping the workpiece P with the welded end cover on a second welding station C, controlling a second cylinder 22 to clamp the workpiece P through a third control button box F3, enabling a welding gun 10 to move to the second welding station C, and welding core wires of a heating section P2;
step three, after the outer end sleeve is sleeved on the periphery of the end cover sleeve, clamping a workpiece P at a first welding station B, adjusting the position of a first clamping groove 12 to be at a lower limit position (horizontal direction), controlling a first workpiece clamping mechanism B1 to clamp the workpiece P and start rotating through a first control button box F1, controlling a sleeve tail cone mechanism B2 to push against the end face of the outer end sleeve through a second control button box F2, enabling a welding gun 10 to move to the first welding station B, and welding the outer end sleeve;
step four, after insulating powder is filled in the outer end sleeve, clamping the workpiece P at a heating station E, controlling a clamp G to clamp the workpiece P through a sixth control button box F6 (or a seventh control button box F7), starting an electric heating device, and heating and dehumidifying the insulating powder;
clamping the workpiece P subjected to the damp eliminating treatment at a second welding station C, placing a plug at the end part of the outer end cover, controlling a second cylinder 22 to clamp the workpiece P through a third control button box F3, and enabling a welding gun 10 to move to the second welding station C for welding the plug;
step six, sleeving the long end of the heating section P2 on the heating section P2 of the workpiece P, clamping the heating section P2 on the first welding station B, adjusting the position of the first clamping groove 12 to be at an upper limit position (forming an included angle of 45 degrees with the horizontal plane), controlling the first workpiece clamping mechanism B1 to clamp the workpiece P and start rotating through the first control button box F1, controlling the welding gun 10 to move to the first welding station B through the second control button box F2, and welding the long end of the heating section;
step seven, sleeving the long end of the non-heating section P3 of the workpiece P on the non-heating section P3, clamping the workpiece P on the first welding station B, adjusting the position of the first clamping groove 12 to be at an upper limit position (forming an included angle of 45 degrees with the horizontal plane), controlling the first workpiece clamping mechanism B1 to clamp the workpiece P and start rotating through the first control button box F1, controlling the welding gun 10 to move to the first welding station B through the second control button box F2, and welding the long end of the non-heating section P3;
step eight, manually installing a butt joint sleeve P4 in a heating section P2 of the workpiece P;
step nine, clamping a heating section P2 of the workpiece P on a third workpiece clamping mechanism D2; clamping the non-heating section P3 of the workpiece P on a second workpiece clamping mechanism D1, respectively butting core wires extending from the heating section P2 and the non-heating section P3 in a core wire clamping groove 34, controlling the non-heating section P3 of the workpiece of the second workpiece clamping mechanism D1 and the heating section P2 of the workpiece P clamped by a third workpiece clamping mechanism D2 through a fourth control button box F4, controlling a welding gun 10 to move to a third welding station D through a fifth control button box F5, and butt welding cold and hot core wires;
step ten, the fourth cylinder 36 is controlled to act through the fifth control button box F5, the butt joint sleeve supporting plate 35 is laid above the core wire clamping groove 34 in a falling mode, then the butt joint sleeve P4 is moved to the outer ring of the welded cold and hot end core wires and is placed on the butt joint sleeve supporting plate 35, the second workpiece clamping mechanism D1 and the third workpiece clamping mechanism D2 are controlled to rotate through the fourth control button box F4, and the welding gun 10 is driven to weld the P4 of the butt joint sleeve through the fifth control button box F5.
Through above-mentioned multichannel process, realize the welding process to boron companion thermal cable on an equipment, improve degree of automation and production efficiency greatly to improve machining precision and quality stability simultaneously, possess good economic benefits.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims (16)

1. A multistation welding all-in-one of boron companion's hot cable, its characterized in that: the device comprises a lower frame (1) and an upper frame (2), wherein the lower frame (1) and the upper frame (2) are internally provided with: the three-axis welding mechanism (A), the first welding station (B), the second welding station (C), the third welding station (D) and the heating station (E); the upper frame (2) is covered above the lower frame (1);
the first welding station (B) comprises a first workpiece clamping mechanism (B1), a sleeve tail cone mechanism (B2), a control button box (F1) and a control button box (F2); the first workpiece clamping mechanism (B1) comprises a first placing disc (11), a first clamping groove (12), a first clamping cylinder (13) and a first rotating motor (14), wherein the first rotating motor (14) is used for driving the first clamping groove (12) to rotate around the axial direction of the first clamping groove; the angle adjusting support plate (15) is used for adjusting the installation angle of the first clamping groove (12), and an angle adjusting chute (16) with the radian of 45 degrees is arranged on the angle adjusting support plate (15); the first clamping groove 12 is hinged on the angle adjusting support plate (15) and is clamped in the angle adjusting chute (16);
the coat coccyx mechanism (B2) includes: the tail cone (18), tail cone (18) pass through bearing movable mounting on tail cone mounting panel (19), and tail cone mounting panel (19) transmission connection first cylinder (17), through first cylinder (17) drive tail cone (18) to first work piece clamping mechanism (B1) action compress tightly work piece (P).
2. The multi-station welding all-in-one machine for a boron heat tracing cable according to claim 1, wherein: the inside of the upper frame (2) is divided into a first accommodating space and a second accommodating space through a partition plate, a three-axis welding mechanism (A), a first welding station (B), a second welding station (C) and a third welding station (D) are arranged in the first accommodating space, the three-axis welding mechanism (A) is arranged at the central position of the first accommodating space, and the first welding station (B), the second welding station (C) and the third welding station (D) are circumferentially arranged around the three-axis welding mechanism A; the heating station (E) is arranged in the second accommodating space.
3. The multi-station welding all-in-one machine for a boron heat tracing cable according to claim 1, wherein: the three-axis welding mechanism (A) comprises a welding gun (10) and a three-axis motion driving mechanism, and the three-axis motion driving mechanism comprises: an X-direction guide rail (4) arranged along the X-axis direction, a Y-direction guide rail (5) arranged along the Y-axis direction, and a Z-direction guide rail (6) arranged along the Z-axis direction; the welding gun (10) is movably arranged on the triaxial movement driving mechanism.
4. The multi-station welding all-in-one machine for a boron heat tracing cable according to claim 1, wherein: the second welding station (C) comprises a clamp (G), an electric welding clamp mechanism and a third control button box (F3); the electric welding clamp mechanism includes: the two support legs of the clamp (21) are respectively connected with a second air cylinder (22) through a support plate in a transmission way, and a third control button box (F3) is used for driving control of an electric welding clamp mechanism and driving control of a welding gun (10) to a second welding station (C);
the clamp (G) comprises a trough (23), a profiling mold (24), a pressing block (26) and a third air cylinder (25), wherein the profiling mold (24) is provided with a stub bar clamping groove for accommodating a stub bar (P1); after the workpiece (P) is placed into the trough (23), the pressing block (26) is driven by the third air cylinder (25) to tightly press and fix the stub bar (P1) of the workpiece in the stub bar clamping groove of the profiling die (24).
5. The multi-station welding all-in-one machine for a boron heat tracing cable according to claim 1, wherein: the third welding station (D) comprises a second workpiece clamping mechanism (D1) for clamping a heating section (P2) of the workpiece; a third workpiece clamping mechanism (D2) for clamping the non-heating section (P3) of the workpiece; the butt joint sleeve limiting mechanism (D3) is arranged between the second workpiece clamping mechanism (D1) and the third workpiece clamping mechanism (D2) and is used for butt joint of core wires extending from the heating section (P2) and the non-heating section (P3) and supporting the butt joint sleeve (P4);
the second work clamping mechanism (D1) comprises: a second laying tray (27) for containing a coil of boron heat tracing cable semi-finished product; a second clamping groove (28) for a heat-generating section (P2) of the workpiece; a third clamping cylinder (30) for fixing the stub bar of the heating section (P2); a second rotating electric machine (29) for driving the second clamping groove (28) to rotate about the axis direction thereof; the third workpiece clamping mechanism (D2) is used for clamping a non-heating section (P3) of a workpiece, and the third workpiece clamping mechanism (D2) is arranged on the lower frame (1) through a linear guide rail (31) and is in transmission connection with a fourth cylinder (32).
6. The multi-station welding all-in-one machine for a boron heat tracing cable according to claim 5, wherein: the butt joint sleeve limiting mechanism (D3) comprises: the support plate (33), the support plate (33) is provided with two core line clamping grooves (34), and the heating section (P2) of the workpiece is clamped in the second workpiece clamping mechanism (D1), and the non-heating section (P3) of the workpiece is clamped in the third workpiece clamping mechanism (D2).
7. The multi-station welding all-in-one machine for a boron heat tracing cable according to claim 5, wherein: in the third welding station (D), a fourth control button box (F4) is used for driving control of the second workpiece clamping mechanism (D1) and the third workpiece clamping mechanism (D2), and a fifth control button box (F5) is used for driving control of the butt joint sleeve limiting mechanism (D3) and driving control of the welding gun (10) to the third welding station.
8. The multi-station welding all-in-one machine for a boron heat tracing cable according to claim 1, wherein: the heating station comprises: a clamp (G), an electric heating device, a sixth control button box (F6) and a seventh control button box (F7).
9. The multi-station welding all-in-one machine for a boron heat tracing cable according to claim 2, wherein: the first accommodation space and the second accommodation space are respectively provided with a movable door body (3).
10. A multi-station welding method for a boron heat tracing cable is characterized by comprising the following steps of: the method comprises the following steps:
s1: after the end cover is sleeved on a heating section (P2) of the workpiece (P), the end cover is clamped on a first welding station (B), the position of a first clamping groove (12) is adjusted to be in an upper limit position, the workpiece (P) is clamped and turned on by controlling a first workpiece clamping mechanism (B1), and the welding gun (10) is controlled to move to the first welding station (B) to weld the end cover;
s2: clamping the workpiece (P) welded with the end cover at a second welding station (C), controlling a second cylinder (22) to clamp the workpiece (P) through a third control button box (F3), and enabling a welding gun (10) to move to the second welding station (C) to weld the core wire of the heating section (P2);
s3: after the outer end sleeve is sleeved on the periphery of the end cover sleeve, a workpiece (P) is clamped at a first welding station (B), the position of a first clamping groove (12) is adjusted to be at a lower limit position, a first control button box (F1) is used for controlling a first workpiece clamping mechanism (B1) to clamp the workpiece (P) and start rotating, a second control button box (F2) is used for controlling an outer sleeve tail cone mechanism (B2) to push against the end face of the outer end sleeve and enabling a welding gun (10) to move to the first welding station (B), and welding of the outer end sleeve is performed;
s4: after the insulating powder is filled in the outer end sleeve, clamping the workpiece (P) at a heating station (E), controlling a clamp (G) to clamp the workpiece (P) through a sixth control button box (F6), and starting an electric heating device;
s5: clamping a workpiece (P) at a second welding station (C), placing a plug at the end part of the outer end cover, controlling a second cylinder (22) to clamp the workpiece (P) through a third control button box (F3), and enabling a welding gun (10) to move to the second welding station (C) to weld the plug;
s6: the long end of the heating section (P2) is sleeved on the heating section (P2) of the workpiece (P), then the heating section is clamped at the first welding station B, the position of the first clamping groove (12) is adjusted to be at the upper limit position, the first workpiece clamping mechanism (B1) is controlled by the first control button box (F1) to clamp the workpiece (P) and start rotating, the welding gun (10) is controlled by the second control button box (F2) to move to the first welding station B, and the long end of the heating section is welded;
s7: sleeving the long end of the non-heating section (P3) of the workpiece (P) on the non-heating section (P3), clamping the workpiece on the first welding station (B), adjusting the position of the first clamping groove (12) to be at the upper limit position, controlling the first workpiece clamping mechanism (B1) to clamp the workpiece (P) through the first control button box (F1) and starting to rotate, controlling the welding gun (10) to move to the first welding station (B) through the second control button box (F2), and welding the long end of the non-heating section (P3);
s8: manually installing a butt joint sleeve (P4) in a heating section (P2) of the workpiece (P);
s9: clamping a heating section (P2) of the workpiece (P) on a third workpiece clamping mechanism (D2); clamping a non-heating section (P3) of a workpiece (P) on a second workpiece clamping mechanism (D1), respectively butting core wires extending from the heating section (P2) and the non-heating section (P3) in a core wire clamping groove (34), controlling the non-heating section (P3) of the workpiece of the second workpiece clamping mechanism (D1) and the heating section (P2) of the workpiece (P) to be clamped by a third workpiece clamping mechanism (D2) through a fourth control button box (F4), and controlling a welding gun (10) to move to a third welding station (D) through a fifth control button box (F5) to butt weld cold core wires and hot core wires;
s10: the fourth cylinder (36) is controlled to act through the fifth control button box (F5), the butt joint sleeve supporting plate (35) is laid above the core wire clamping groove (34) in a falling mode, then the butt joint sleeve (P4) is moved to the outer ring of the welded cold and hot end core wires and placed on the butt joint sleeve supporting plate (35), the second workpiece clamping mechanism (D1) and the third workpiece clamping mechanism (D2) are controlled to rotate through the fourth control button box (F4), and the welding gun (10) is driven to weld the butt joint sleeve (P4) through the fifth control button box (F5).
11. The multi-station welding method for the boron heat tracing cable according to claim 10, wherein the method comprises the following steps: in the step S1, the position of the first clamping groove (12) is adjusted to be in an upper limit position, and an included angle of 45 degrees is formed between the first clamping groove and the horizontal plane.
12. The multi-station welding method for the boron heat tracing cable according to claim 10, wherein the method comprises the following steps: in the step S2, a first workpiece clamping mechanism (B1) is controlled to clamp a workpiece (P) and start rotating through a first control button box (F1), and a welding gun (10) is controlled to move to a first welding station (B) through a second control button box (F2).
13. The multi-station welding method for the boron heat tracing cable according to claim 10, wherein the method comprises the following steps: in S4, the clamp (G) is controlled by the seventh control button box (F7) to clamp the workpiece (P) and the electric heating device is started.
14. The multi-station welding method for the boron heat tracing cable according to claim 10, wherein the method comprises the following steps: in the step S4, the insulating powder is heated and subjected to damp-eliminating treatment.
15. The multi-station welding method for the boron heat tracing cable according to claim 10, wherein the method comprises the following steps: in the step S6, the position of the first clamping groove (12) is adjusted to be in an upper limit position, and an included angle of 45 degrees is formed between the first clamping groove and the horizontal plane.
16. The multi-station welding method for the boron heat tracing cable according to claim 10, wherein the method comprises the following steps: in the step S7, the position of the first clamping groove (12) is adjusted to be in an upper limit position, and an included angle of 45 degrees is formed between the first clamping groove and the horizontal plane.
CN202110534036.8A 2021-05-17 2021-05-17 Multi-station welding all-in-one machine and welding method for boron heat tracing cable Active CN115365606B (en)

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CN104889538A (en) * 2015-05-21 2015-09-09 吴中区横泾博尔机械厂 Chuck double-station welding machine
CN205629634U (en) * 2016-05-11 2016-10-12 广州海可姆机电科技有限公司 Automatic change MIG welding set
CN209936081U (en) * 2019-04-28 2020-01-14 南京英尼格玛工业自动化技术有限公司 Mobile displacement device in battery bottom support welding workstation system
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